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↑Faubel A, 1984. The Polycladida, Turbellaria; Proposal and establishment of a new system. Part II. The Cotylea. Mitt Hamb Zool Mus Inst 81: 189-259
↑Litvaitis MK, Bolaños DM, Quiroga SY, 2010. When names are wrong and colours deceive: unravelling the Pseudoceros bicolor species complex (Turbellaria: Polycladida). Journal of Natural History 44(13):829-845.